<template>
    <!-- 若max值为父组件调用url异步得来，会导致传过来的值为undefined，可以使用watch属性监听 -->
    <div class="mui-numbox" data-numbox-min='1' style="height:25px;">
        <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
        <input id="test" class="mui-input-numbox" type="number" :value="initcount" @change="countChanged" ref="numbox" readonly />
        <button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
    </div>
</template>

<script>
//如数字选择框不能点，导入相关文件以及初始化
import mui from '../../lib/mui/js/mui.min.js'

export default {
    mounted(){
        //初始化数字选择框
        mui(".mui-numbox").numbox();
    },
    methods: {
        countChanged(){  //数量改变时,将最新数量同步到store中，覆盖之前的
            this.$store.commit("updateGoodsInfo", {  
                id: this.goodsid,
                count: this.$refs.numbox.value
            })
        }
    },
    props: ['initcount', 'goodsid']
};
</script>

<style lang="scss" scoped>

</style>